Faults involving ground produce high fault current magnitude especially when the transformer(s) neutral is solidly grounded. The neutral ground circuit in the transformer provides the return path for the fault currents. To limit this current, impedance – either in the form of a reactor or a resistor – is installed in the neutral circuit. See [...][Continue Reading...]

Installing medium voltage power cables underground comes with its own set of challenges. From the engineering standpoint, there are several factors one needs to consider before installing the cable. The most overlooked if not well understood factor is the type of power cable that’s required for the application and when to ground the cable’s neutral [...][Continue Reading...]

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